Buggy code:
public abstract class GenModel implements IGenModel , Serializable , IGeneratedModel { public final String [ ] _names ; public final String [ ] [ ] _domains ; public GenModel ( String [ ] names , String [ ] [ ] domains ) { } @ Override public boolean isSupervised ( ) { } @ Override public int nfeatures ( ) { } @ Override public int nclasses ( ) { } @ Override public int getNumCols ( ) { } @ Override public int getResponseIdx ( ) { } @ Override public String getResponseName ( ) { } @ Override public int getNumResponseClasses ( ) { } @ Override public String [ ] getNames ( ) { } @ Override public int getColIdx ( String name ) { } @ Override public int getNumClasses ( int colIdx ) { } @ Override public String [ ] getDomainValues ( String name ) { } @ Override public String [ ] getDomainValues ( int i ) { } @ Override public int mapEnum ( int colIdx , String enumValue ) { } @ Override public String [ ] [ ] getDomainValues ( ) { } @ Override public boolean isClassifier ( ) { } @ Override public boolean isAutoEncoder ( ) { } @ Override public int getPredsSize ( ) { } public String getHeader ( ) { } public double [ ] map ( Map < String , Double > row , double [ ] data ) { } @ Override public float [ ] predict ( double [ ] data , float [ ] preds ) { } @ Override public float [ ] predict ( double [ ] data , float [ ] preds , int maxIters ) { <START_BUG> throw new UnsupportedOperationException ( "Unsupported<seq2seq4repair_space>operation<seq2seq4repair_space>-<seq2seq4repair_space>uses<seq2seq4repair_space>score0<seq2seq4repair_space>method!" ) ; <END_BUG> } public abstract double [ ] score0 ( double [ ] data , double [ ] preds ) { } public double [ ] score0 ( Map < String , Double > row , double [ ] data , double [ ] preds ) { } public double [ ] score0 ( Map < String , Double > row , double [ ] preds ) { } public double [ ] score0 ( Map < String , Double > row ) { } public static double [ ] correctProbabilities ( double [ ] scored , double [ ] priorClassDist , double [ ] modelClassDist ) { } public static int getPrediction ( double [ ] preds , double [ ] data , double threshold ) { } public static boolean bitSetContains ( byte [ ] bits , int bitoff , int num ) { } public static int KMeans_closest ( double [ ] [ ] centers , double [ ] point , String [ ] [ ] domains , double [ ] means , double [ ] mults ) { } public static double KMeans_distance ( double [ ] center , float [ ] point , String [ ] [ ] domains , double [ ] means , double [ ] mults , double [ ] colSum , double [ ] colSumSq ) { } public static double KMeans_distance ( double [ ] center , double [ ] point , String [ ] [ ] domains , double [ ] means , double [ ] mults ) { } public static double [ ] SharedTree_clean ( double [ ] data ) { } public static double log_rescale ( double [ ] preds ) { } public static void GBM_rescale ( double [ ] preds ) { } public static double GLM_identityInv ( double x ) { } public static double GLM_logitInv ( double x ) { } public static double GLM_logInv ( double x ) { } public static double GLM_inverseInv ( double x ) { } public static double GLM_tweedieInv ( double x , double tweedie_link_power ) { } }

Fix:
throw new UnsupportedOperationException ( "Unsupported<seq2seq4repair_space>operation<seq2seq4repair_space>-<seq2seq4repair_space>use<seq2seq4repair_space>score0<seq2seq4repair_space>method!" ) ;